* {
  padding: 0;
  margin: 0;
}

.jump-btn {
  display: inline-block;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid #409eff;
  -webkit-appearance: none;
  appearance: none;
  text-align: center;
  box-sizing: border-box;
  outline: none;
  margin: 0;
  transition: .1s;
  font-weight: 500;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 4px;
  color: #fff;
  background-color: #409eff;
  margin: 20px 20px 0 0;
}

ul, ol, li {
  list-style-type: none;
}